Dictionary

1crab

noun, often attributive \ˈkrab\

Definition of CRAB

1
plural crabs also crab :  any of numerous chiefly marine broadly built decapod crustaceans:
a :  any of an infraorder (Brachyura) with a short broad usually flattened carapace, a small abdomen that curls forward beneath the body, short antennae, and the anterior pair of limbs modified as grasping pincers
b :  any of various crustaceans of an infraorder (Anomura) resembling true crabs in the more or less reduced condition of the abdomen
2
capitalized :  cancer 1
3
plural :  infestation with crab lice
4
:  the angular difference between an aircraft's course and the heading necessary to make that course in the presence of a crosswind

Origin of CRAB

Middle English crabbe, from Old English crabba; akin to Old High German krebiz crab and perhaps to Old English ceorfan to carve — more at carve
First Known Use: before 12th century

Other Invertebrates (Except Insects) Terms

anemone, cephalopod, quahog

Rhymes with CRAB

2crab

verb
crabbedcrab·bing

Definition of CRAB

intransitive verb
1
:  to fish for crabs
2
a (1) :  to move sideways indirectly or diagonally (2) :  to crab an airplane
b :  to scuttle or scurry sideways
transitive verb
1
:  to cause to move sideways or in an indirect or diagonal manner; specifically :  to head (an airplane) into a crosswind to counteract drift
2
:  to subject to crabbing
crab·ber noun

First Known Use of CRAB

1657

3crab

noun

Definition of CRAB

Origin of CRAB

Middle English crabbe, perhaps from crabbe 1crab
First Known Use: 14th century

Other Food Terms

Reuben, calamari, chuck, curry, edamame, foie gras, hummus, leaven, nonpareil, peel

4crab

noun

Definition of CRAB

:  an ill-tempered person :  grouch

First Known Use of CRAB

1580

5crab

verb
crabbedcrab·bing

Definition of CRAB

transitive verb
1
:  to make sullen :  sour <old age has crabbed his nature>
2
:  to complain about peevishly
3
:  spoil, ruin
intransitive verb
:  carp, grouse <always crabs about the weather>
crab·ber noun

Origin of CRAB

Middle English crabben, probably back-formation from crabbed
First Known Use: 1662

crab

noun \ˈkrab\   (Medical Dictionary)

Medical Definition of CRAB

1
:  any of a tribe (Brachyura) of chiefly marine crustaceans with a short broad usually flattened carapace, a small abdomen that curls forward beneath the body, short antennae, and the anterior pair of limbs modified as grasping pincers
2
crabs pl :  infestation with crab lice

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May 30, 2015
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